eddy1720
eddy1720 eddy1720
  • 04-08-2016
  • Mathematics
contestada

A parabola has a vertex at (-1, 0) and opens down. What is the equation of the parabola?

Respuesta :

caylus
caylus caylus
  • 04-08-2016
Hello,

Something is still missing


y=-a²(x+1)²+0 with a point of the parabola we can determine a²

a² is a real positive.
Answer Link
dalendrk
dalendrk dalendrk
  • 04-08-2016
The vertex form: y = a(x - h)² + k
(h; k) the coordinates of vertex

(-1; 0) ⇒ h = -1 and k = 0

therefore y = a(x + 1)²

A parabola opens down, therefore a < 0.

Answer: y =a(x + 1)² where a < 0.
Answer Link

Otras preguntas

How does the tone of “A Decade” change near the end of the story? A.It shifts from reflective to angry. B.It changes from caring to hateful. C.It changes fr
The selling price for a classic car is $14000, which is $2500 less than three times its original price. What was the original price of the car?
y – (-5) = -7 can you help me solve this equation
How many moons does planet Neptune have
Sale price is $75 it was 20% off what was the original price
what is the largest value you can represent using 256 bit signed integer?
What types of crops were grown on the plantations that were located in the inner coastal plain?
Under certain conditions, neon (Ne) gas diffuses at a rate of 4.5 centimeters per second. Under the same conditions, an unknown gas diffuses at a rate of 10.1 c
What were three eventual consequences of william the conqueror's victory at hastings?
The selling price for a classic car is $14000, which is $2500 less than three times its original price. What was the original price of the car?